Home / 945,673,681.29-1,417,280,116.02-384,781,854.63

Finding the Fourth Proportional to 945,673,681.29, 1,417,280,116.02 and 384,781,854.63

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Solution

The fourth proportional to 945,673,681.29, 1,417,280,116.02 and 384,781,854.63 is: 576,672,146.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,673,681.29 : 1,417,280,116.02 = 384,781,854.63 : x
  2. Step 2: Convert to fraction form
    945,673,681.29/1,417,280,116.02 = 384,781,854.63/x
  3. Step 3: Cross multiply
    945,673,681.29x = 1,417,280,116.02 × 384,781,854.63
  4. Step 4: Simplify right side
    945,673,681.29x = 545,343,671,572,397,184
  5. Step 5: Solve for x
    x = 545,343,671,572,397,184/945,673,681.29
  6. Step 6: Final answer
    x = 576,672,146.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.